Matrix 7 | IT Support Canberra | Managed Services

CentOS 6.4 Email Gateway (Part 2)

We are now going to configure Postfix to act as a Gateway or a relay if you like, to our main email server which is a Microsoft Exchange Server. This has dual benefits: The Exchange Server is not directly exposed to the internet The load on our Exchange Server is greatly reduced due to Greylisting…

27/11/2016

Matrix7

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CentOS

Anti-Spam, CentOS Email Gateway, MailScanner, Postfix, Spamassassin

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CentOS 6.4 Email Gateway (Part 1)

This is a 7 Step "how to" in creating an Anti-Spam Email Gateway. First step is to install a bare bones CentOS system. I chose the 32bit CentOS 6.4 Minimal Install from here: CentOS 32bit Minimal Install Once your chosen flavour of CentOS is installed and you have ensured that you have configured the system…

27/11/2016

Matrix7

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CentOS

Anti-Spam, CentOS Email Gateway, MailScanner, Postfix, Spamassassin

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2089

CentOS 6.4 Speed Up Your Website

I often get asked how to speed up a website. Here are 2 of the easiest and quickest ways to dramatically improve the performance of your website. I am assuming you have root access to either your VPS or CentOS installation. Let's begin: Edit the file /etc/httpd/conf/httpd.conf Find: KeepAliveTimeout Change To: KeepAliveTimeout 100 Close and…

27/11/2016

Matrix7

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CentOS

Website Speed

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1701

Windows 7 Can’t Start Print Spooler

This fixed the issue and credit to the following MS Answers Discussion: Click Here... This behaviour occurs if existing printer drivers are corrupt. I'd suggest that you remove all the installed printers and reinstall the Windows 7 printer drivers if available. To remove a printer: 1. Click the "Start" button, type PRINTER in the search…

27/11/2016

Matrix7

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Windows Desktop

Printer Spooler

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